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Photo#481834
Galls on elm leaf - Tetraneura nigriabdominalis
Copyright © 2010 Yurika Alexander

Galls on elm leaf - Tetraneura nigriabdominalis
Atco, Camden County, New Jersey, USA
May 19, 2010
I didn't look inside...
Caused by Aphid?
Contributed by Yurika Alexander on 27 December, 2010 - 9:38pm
Last updated 6 May, 2022 - 5:19pm

Moved
Moved from Elm Sack Gall Aphid.
… Charley Eiseman, 6 May, 2022 - 5:19pm

Moved
Moved from Unidentified Galls.
I don't think the mite galls ever balloon out like this. Compare:
… Charley Eiseman, 29 December, 2010 - 1:38pm

or maybe a mite
like the eriophyid elm fingergall mite (Aceria)?
… Lee Elliott, 28 December, 2010 - 11:45pm

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